From 138d5daf0cce738837090dac760a47e5f72ea1d4 Mon Sep 17 00:00:00 2001
From: Felix Huang <72808219+fffelix-huang@users.noreply.github.com>
Date: Thu, 28 Mar 2024 00:55:46 +0800
Subject: [PATCH] Update reduction.md

Fix  bug in `sum_simd` function
---
 content/english/hpc/simd/reduction.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/content/english/hpc/simd/reduction.md b/content/english/hpc/simd/reduction.md
index 89678103..f5111175 100644
--- a/content/english/hpc/simd/reduction.md
+++ b/content/english/hpc/simd/reduction.md
@@ -40,7 +40,8 @@ int sum_simd(v8si *a, int n) {
 
     // add the remainder of a
     for (int i = n / 8 * 8; i < n; i++)
-        res += a[i];
+        for(int j = 0; j < 8; j++)
+            res += a[i][j];
         
     return res;
 }